@deftypefun {int} {gnutls_ocsp_resp_get_signature} (gnutls_ocsp_resp_const_t @var{resp}, gnutls_datum_t * @var{sig}) @var{resp}: should contain a @code{gnutls_ocsp_resp_t} type @var{sig}: newly allocated output buffer with signature data This function will extract the signature field of a OCSP response. @strong{Returns:} On success, @code{GNUTLS_E_SUCCESS} (0) is returned, otherwise a negative error value. @end deftypefun